A-510T（UHF）Ver1.0
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Low voltage warning of battery
The battery voltage is monitored by U300 microprocessor. When it is below the low voltage of warning, the
warning tone will alarm.
(1) During transmission, when the battery voltage is below the low voltage of warning (6.3V default), the red
LED will blink and sound the warning tone of "low power, please charge".
(2) (Chart 8) When the battery voltage drops to below the transmission latching voltage, the radio will
immediately stop transmission. when you press PPT switch, there will be a prompt tone "du" coming out, and when
release it, there will be a "low power, please charge".(Refer to figure 8)
U300
STM32F103VBT6
CPU
BATT DET
R355
R354
R353
Vcc 7.5V
15
Chart 8 LOW-BATT
Summary of Contents for A-510T
Page 1: ...A 510T UHF Ver1 0 1 53 A 510T UHF Service Manual ...
Page 14: ...A 510T UHF Ver1 0 14 53 4 5 Exploration Chart of Parts ...
Page 48: ...A 510T UHF Ver1 0 48 53 Diagram 1 A 510T Tag Number Diagram TOP ...
Page 49: ...A 510T UHF Ver1 0 49 53 BOT ...
Page 53: ...A 510T UHF Ver1 0 53 53 Diagram 4 A 510T Packaging ...
